import { DOMUtils, httpx, utils } from "@/env";
import { CommonUtil } from "@components/utils/CommonUtil";

export const TiebaPCApi = {
  /**
   * 获取用户所有关注的吧
   */
  async getUserAllLinkForum() {
    let result: {
      /** 吧名 */
      forumName: string;
      /** 吧id */
      forumId: string;
      /** tbs值 */
      tbs: string;
    }[] = [];
    let gbkEncoder = new utils.GBKEncoder();
    /** 页码 */
    let page = 1;
    while (true) {
      let searchParamsData = {
        v: Date.now(),
        pn: page,
      };
      let url = `https://tieba.baidu.com/f/like/mylike?${utils.toSearchParamsStr(searchParamsData)}`;
      let getResponse = await httpx.get(url, {
        fetch: true,
      });
      if (!getResponse.status) {
        break;
      }
      let doc = DOMUtils.toElement(getResponse.data.responseText, true, true);
      let linkForumInfoList = Array.from(doc.querySelectorAll(".forum_table span[balvname]"))
        .map((item) => {
          /** 吧名 */
          let forumName = item.getAttribute("balvname");
          /** 吧id */
          let forumId = item.getAttribute("balvid");
          /** tbs值 */
          let tbs = item.getAttribute("tbs");
          if (forumName == null) {
            return;
          }
          if (forumId == null) {
            return;
          }
          if (tbs == null) {
            return;
          }
          forumName = gbkEncoder.decode(forumName);
          return {
            forumName,
            forumId,
            tbs,
          };
        })
        .filter((item) => item != null);

      result = result.concat(linkForumInfoList);

      let $nextPage = Array.from(doc.querySelectorAll<HTMLAnchorElement>("#j_pagebar .pagination a[href]")).find(
        ($anchor) => {
          return $anchor.innerText.includes("下一页");
        }
      );
      if ($nextPage == null) {
        // 没有其它页了，退出循环
        break;
      } else {
        let nextPageUrl = CommonUtil.fixUrl($nextPage.href);
        let nextPageUrlObj = new URL(nextPageUrl);
        let nextPagePn = new URLSearchParams(nextPageUrlObj.search);
        if (nextPagePn.has("pn")) {
          page = parseInt(nextPagePn.get("pn")!);
        } else {
          // 未获取到pn，退出循环
          break;
        }
      }
      await utils.sleep(500);
    }
    return result;
  },
};